1 files changed, 84 insertions, 0 deletions
diff --git a/sources/pyside6/tests/QtWidgets/reference_count_test.py b/sources/pyside6/tests/QtWidgets/reference_count_test.py
new file mode 100644
index 000000000..b7d3908dd
--- /dev/null
+++ b/sources/pyside6/tests/QtWidgets/reference_count_test.py
@@ -0,0 +1,84 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+'''Test cases for Reference count when the object is created in c++ side'''
+
+import gc
+import os
+import sys
+import unittest
+import weakref
+
+from pathlib import Path
+sys.path.append(os.fspath(Path(__file__).resolve().parents[1]))
+from init_paths import init_test_paths
+init_test_paths(False)
+
+from PySide6.QtCore import Qt, QPointF
+from PySide6.QtGui import QPolygonF
+from PySide6.QtWidgets import QApplication, QGraphicsScene, QGraphicsRectItem, QGraphicsPolygonItem, QGraphicsRectItem
+
+from helper.usesqapplication import UsesQApplication
+
+destroyedRect = False
+destroyedPol = False
+
+
+def rect_del(o):
+    global destroyedRect
+    destroyedRect = True
+
+
+def pol_del(o):
+    global destroyedPol
+    destroyedPol = True
+
+
+class ReferenceCount(UsesQApplication):
+
+    def setUp(self):
+        super(ReferenceCount, self).setUp()
+        self.scene = QGraphicsScene()
+
+    def tearDown(self):
+        super(ReferenceCount, self).tearDown()
+
+    @unittest.skipUnless(hasattr(sys, "getrefcount"), f"{sys.implementation.name} has no refcount")
+    def beforeTest(self):
+        points = [QPointF(0, 0), QPointF(100, 100), QPointF(0, 100)]
+        pol = self.scene.addPolygon(QPolygonF(points))
+        self.assertTrue(isinstance(pol, QGraphicsPolygonItem))
+        self.wrp = weakref.ref(pol, pol_del)
+
+        # refcount need be 3 because one ref for QGraphicsScene, and one to rect obj
+        self.assertEqual(sys.getrefcount(pol), 3)
+
+    @unittest.skipUnless(hasattr(sys, "getrefcount"), f"{sys.implementation.name} has no refcount")
+    def testReferenceCount(self):
+        global destroyedRect
+        global destroyedPol
+
+        self.beforeTest()
+
+        rect = self.scene.addRect(10.0, 10.0, 10.0, 10.0)
+        self.assertTrue(isinstance(rect, QGraphicsRectItem))
+
+        self.wrr = weakref.ref(rect, rect_del)
+
+        # refcount need be 3 because one ref for QGraphicsScene, and one to rect obj
+        self.assertEqual(sys.getrefcount(rect), 3)
+
+        del rect
+        # not destroyed because one ref continue in QGraphicsScene
+        self.assertEqual(destroyedRect, False)
+        self.assertEqual(destroyedPol, False)
+
+        del self.scene
+
+        # QGraphicsScene was destroyed and this destroy internal ref to rect
+        self.assertEqual(destroyedRect, True)
+        self.assertEqual(destroyedPol, True)
+
+
+if __name__ == '__main__':
+    unittest.main()